CN202673233U - Slurry stopping device for hydraulic rock drilling trolleys - Google Patents
Slurry stopping device for hydraulic rock drilling trolleys Download PDFInfo
- Publication number
- CN202673233U CN202673233U CN 201220272956 CN201220272956U CN202673233U CN 202673233 U CN202673233 U CN 202673233U CN 201220272956 CN201220272956 CN 201220272956 CN 201220272956 U CN201220272956 U CN 201220272956U CN 202673233 U CN202673233 U CN 202673233U
- Authority
- CN
- China
- Prior art keywords
- pipe
- hydraulic
- sleeve pipe
- pressure
- stop grouting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Images
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model relates to technical field of surrounding rock drilling in weak broken region undersea and crossing river, and discloses a slurry stopping device for hydraulic rock drilling trolleys. The slurry stopping device comprises a pressure pipe, slurry stopping plugs, a hydraulic cylinder, a casing pipe and a sealing gasket, wherein a pair of slurry stopping plug positioned on both sides of a drill pipe are arranged in the casing pipe; the slurry stopping plugs on both sides of the drill pipe are connected with the piston rods of symmetrical hydraulic cylinders which penetrate through the casing pipe and are fixed outside respectively; the pressure pipe for pressing the slurry stopping plugs axially is arranged at one end of the casing pipe; the pressure pipe is in threaded connection with the casing pipe; the sealing gasket, an orifice pipe are arranged at the other side of the casing pipe; and the orifice pipe and the sealing gasket are fixedly connected with the casing pipe. According to the utility model, the slurry stopping device for hydraulic rock drilling trolleys is easy to operate, and convenience is provided for remote control, in addition, the construction cost is saved, the efficiency is improved, the time limit for a project is shortened, the requirements on time limit and cost of project construction are fulfilled, and the environment is protected, so that the slurry stopping device is positive in social benefits and economic benefits, and the drilling and pouring integrated construction is realized.
Description
[technical field]
The utility model relates to the seabed, crosses weak broken band country rock hole creating technology field under the environment of river, relates in particular to hydraulic drill ring grouting device.
[background technology]
At present, the B353E jumbo produced of Atlas Copco company is simple to operate with it in constructing tunnel, mobile rapidly, rate of penetration is fast and accurate, maintaining is convenient and be widely used in the method for tunnel drilling and blasting construction.But B353E jumbo major function is blasthole drilling, the very little other field that is applied in.And in construction particularly in the seabed; when crossing under the environment such as river operation: often can running into weak broken band country rock, to meet water easily softening; disintegration; even trickling; cause the hole of collapsing of holing; the pore-forming difficulty; for guaranteeing grouting consolidation effect; the normal segmentation protrusive grouting process that adopts; but there is the hole-bottom slurry-injection weak effect in the slip casting of segmentation protrusive; repeatedly boring; repeatedly slip-casting; construction technology is more loaded down with trivial details; the shortcoming that workload is large; can fundamentally solve problems and bore the notes integrated construction; therefore also carry out continuous exploratory development both at home and abroad; only have at present the multifunctional drill RPD series of Japan really to accomplish to bore the notes integrated construction, technology is relatively ripe.China had also proposed to bore according to the construction needs in recent years annotates integrated this concept, and a lot of units are also constantly attempting and putting into practice, but effect is not satisfactory, annotates integrated construction field China at brill and basically also is in blank out.If can be applied on the B353E chassis boring the integrated advantage of notes, then the B353E chassis can address the above problem and not lose his original speciality well in boring the notes integrated construction.Since the shortcomings such as three arm rock drilling jumbos bore the grouting technical barrier that has " overfall " in the notes integrated construction slip casting process, and namely bolt and drilling rod are dismantled often in the simple and easy stop grouting plug construction, and the operation conversion is frequent, the grouting weak effect.
[summary of the invention]
In order to overcome the deficiency in the background technology, the utility model provides hydraulic drill ring grouting device, thoroughly solve three arm rock drilling jumbos and bore the grouting technical barrier of annotating " overfall " that exist in the integrated construction slip casting process, improve three arm chassis and bored the integrated construction speed of annotating, shorten the construction period, have cost low, be easy to processing, workable, grouting is effective.
In order to realize the foregoing invention purpose, the utility model adopts following technical scheme:
A kind of hydraulic drill ring grouting device, comprise: pressure pipe, stop grouting plug, hydraulic jack, sleeve pipe, sealing mat, be provided with a pair of stop grouting plug that is positioned at the drilling rod both sides in the described sleeve pipe, the stop grouting plug of both sides is connected with the piston rod that passes the outer symmetrical hydraulic jack of fixing of sleeve pipe respectively; Described sleeve pipe one end is provided with the pressure pipe for the axial compression stop grouting plug, pressure pipe and sleeve pipe screwed connection; The sleeve pipe other end is provided with sealing mat, orifice tube, and orifice tube, sealing mat are fixedly connected with sleeve pipe by bolt.
This hydraulic drill ring grouting device, described pressure pipe is connected and composed by rotation platen and some handles for the rotation pressure pipe, is provided with the screw thread that is connected with sleeve pipe on the periphery wall of rotation platen, is evenly equipped with some handles on the wall of rotation platen periphery without screw thread; Described rotation platen center is provided with the circular hole greater than bit diameter, is provided with uniform deslagging circular hole on the periphery of circular hole.
This hydraulic drill ring grouting device, described sleeve pipe is outside equipped with the symmetrical support of fixed hydraulic oil cylinder, and sleeve pipe one end is provided with the flanged plate of corresponding connection with orifice tube; Sleeve pipe one another end is provided with the screw thread that is connected with pressure pipe.
This hydraulic drill ring grouting device, the stop grouting plug of described both sides is combined into compacting device, and each stop grouting plug is semicircular structure; The planar central setting of described stop grouting plug to press the depression diameter identical with drill pipe diameter, the fastening surface cambered surface of described stop grouting plug is provided with the locking device of fixed hydraulic cylinder piston rod.
This hydraulic drill ring grouting device, described stop grouting plug are that resin is synthetic, and it is 50Mpa that the material maximum is born pressure.
This hydraulic drill ring grouting device, described orifice tube is connected and composed by body and flange.
This hydraulic drill ring grouting device, described hydraulic jack stroke be (100-50)/2mm and the stroke 20mm of fixed station and the stroke sum of surplus, the stroke that oil cylinder needs is 40-50mm.; The pressure of described hydraulic jack is: maximum pressure is 7Mpa.
Owing to adopt aforesaid technical scheme, the utlity model has following superiority:
A kind of hydraulic drill ring grouting device is to annotate integration apparatus in the situation that keeps the original performance of B353E chassis and function the B353E chassis being modified into brill.A key technology difficult problem that runs in development " grouting device " is launched relevant discussion and technical research, final Development and design produce cost low, be easy to process, workable hydraulic pressure aperture " grouting device ".Thoroughly solve three arm rock drilling jumbos and bore the grouting technical barrier of annotating " overfall " that exist in the integrated construction slip casting process, be that bolt and drilling rod dismounting be often in the construction of simple and easy stop grouting plug, the shortcomings such as the operation conversion is frequent, this grouting device has greatly improved three arm chassis and has bored the integrated construction speed of annotating, shorten the construction period, save cost, reached the grouting effect; Its beneficial effect is as follows:
1. the grouting device adopts hydraulic control, and is simple to operate, and remote control is convenient.The operation hydraulic control valve unclamps stop grouting plug when boring, cleaning bottom of hole, holes; The operation hydraulic control valve compresses stop grouting plug and carries out slip casting during slip casting.
2. the stop grouting plug processing request is higher, reliable in quality, have wear-resisting, withstand voltage, corrosion resistance is strong.
3. hydraulic jack adopts with being connected of stop grouting plug and is flexibly connected (not being fixedly connected with), after oil cylinder is installed, can well be connected with hydraulic jack in the stop grouting plug insertion groove, and the step that so greatly simplifies the operation has also increased stop grouting plug activity and deformation space.
4. sleeve pipe, pressure pipe machining accuracy are high, and structural strength is strong.
5. the package unit installation and removal are convenient, first stop grouting plug, hydraulic jack, pressure pipe, sleeve pipe etc. assembled during installation, and then integral body is docked with mounted orifice tube, connects control oil pipe again.Get final product opposite with above-mentioned steps when pulling down.
The utility model is through bore annotating the boring of integrated treatment, and the integrality of boring is better, occurs without the hole phenomenon of collapsing, and can carry out the disposable slip casting in full hole or the slip casting of segmentation protrusive is processed again by the aperture, guarantees slip casting effect,
The utility model successfully uses chassis to implement on the basis of rapid drilling slip casting based on middle tunnel share chassis company at the Jiaozhou Bay of Qingdao seabed tunnel, further three arm rock drilling jumbo functions are excavated and are used the further expansion in field, satisfying the market is to the engineering construction duration, the requirement of cost, the present invention is directed to a construction of three arm chassis arm transforms, customized or introduce brand-new drilling system, solve three arm rock drilling jumbos and bore the technical barrier of annotating integrated existence, improve three arm rock drilling jumbo capacity utilization and diversity, but make the chassis simultaneous adaptation in different geology sections and all kinds of grouting construction process.The present invention can save cost; raising work efficiency, reduction of erection time, protection of the environment have extremely positive Social benefit and economic benefit; realize the brill notes integrated construction of chassis; can also make three-arm hydraulic wagon drill in boring slip casting field a qualitative leap be arranged, also certainly will create more wide influence power and good economic benefits.
[description of drawings]
Fig. 1 is grouting apparatus structure schematic diagram;
Fig. 2 is grouting device hydraulic system schematic diagram;
Fig. 3 is that grouting device hydraulic system accesses the block diagram that three arm rock drilling jumbo hydraulic systems connect;
Fig. 4 annotates the integrated construction flow chart with the brill of grouting device;
Among the figure: 1, pressure pipe, 1.1, the rotation platen, 1.2, handle, 2, stop grouting plug, 2.1, press depression, 2.2, locking device, 3, hydraulic jack, 4, sleeve pipe, 4.1, support, 4.2, flanged plate, 5, seal washer, 6, orifice tube, 7, drilling rod, 8, drill bit, 9, flow control valve, 10, reducing valve, 11, pressure meter, 12, hydraulic lock, 13, hand-operated direction valve, the oil inlet pipe P of system, the low discharge oil return pipe D of system, system oil return pipe T.
[specific embodiment]
Shown in Fig. 1,2,3,4, a kind of hydraulic drill ring grouting device, comprise: pressure pipe 1, stop grouting plug 2, hydraulic jack 3, sleeve pipe 4, seal washer 5 and orifice tube 6, be provided with a pair of stop grouting plug 2 that is positioned at drilling rod 7 both sides in the described sleeve pipe 4, the stop grouting plug 2 of both sides is connected with the piston rod that passes the outer fixing symmetrical hydraulic jack 3 of sleeve pipe 4 respectively; Described sleeve pipe 4 one ends are provided with the pressure pipe 1 for the axial compression stop grouting plug, pressure pipe 1 and sleeve pipe 4 screwed connections; Sleeve pipe 4 other ends are provided with seal washer 5, orifice tube 6, and orifice tube 6, seal washer 5 are fixedly connected with sleeve pipe 4 by bolt.
Described pressure pipe 1 is connected and composed by rotation platen 1.1 and some handles 1.2 for the rotation pressure pipe, is provided with the screw thread that is connected with sleeve pipe 4 on the periphery wall of rotation platen 1.1, is evenly equipped with some handles 1.2 on the wall of rotation platen 1.1 periphery without screw threads; Described rotation platen 1.1 centers are provided with the circular hole greater than bit diameter, are evenly equipped with the deslagging circular hole on the rotation platen 1.1 in one week of circular hole.Pressure pipe: be installed in grouting device rearmost end, its effect is the axial compression stop grouting plug.
Described sleeve pipe 4 is outside equipped with the symmetrical support 4.1 of fixed hydraulic oil cylinder, and sleeve pipe one end is provided with the flanged plate 4.2 with orifice tube 6 corresponding connections; Sleeve pipe one another end is provided with the screw thread that is connected with pressure pipe 1.Sleeve pipe mainly plays fixing, connecting elements.
The stop grouting plug 2 of described both sides is combined into compacting device, and each stop grouting plug 2 is semicircular structure; The planar central setting of described stop grouting plug 2 to press depression 2.1 diameters identical with drilling rod 7 diameters, the cambered surface of described stop grouting plug 2 is provided with the locking device 2.2 of fixed hydraulic cylinder piston rod.Stop grouting plug is installed in the sleeve pipe, and its effect is the slurries that seal up injection, forbids that it flows out outside the orifice tube.
Hydraulic drill ring auto-stopping sizing device, described stop grouting plug 2 are that resin is synthetic, and it is 50Mpa that the material maximum is born pressure.
Described orifice tube 6 is connected and composed by body and flanged plate.
The stroke of described hydraulic jack 3 is greater than the stroke 20mm of (100-50)/2mm and fixed station and the stroke sum of surplus, and the stroke that oil cylinder needs is 40-50mm.; The pressure of described hydraulic jack is: maximum pressure is 7Mpa.Hydraulic jack: be installed on the sleeve pipe, link with stop grouting plug, its effect is to compress stop grouting plug under the effect of hydraulic pressure, makes the stop grouting plug deformable seal live slurries.
This grouting device adopts hydraulic control, and is simple to operate, and remote control is convenient:
When boring, cleaning bottom of hole, the operation hydraulic control valve unclamps stop grouting plug, holes; The operation hydraulic control valve compresses stop grouting plug and carries out slip casting during slip casting.The stop grouting plug processing request is higher, reliable in quality, have wear-resisting, withstand voltage, corrosion resistance is strong;
Hydraulic jack adopts with being connected of stop grouting plug and is flexibly connected (not being fixedly connected with), after oil cylinder is installed, can well be connected with hydraulic jack in the stop grouting plug insertion groove, and the step that so greatly simplifies the operation has also increased stop grouting plug activity and deformation space
The installation and removal of this grouting device are convenient, first stop grouting plug, hydraulic jack, pressure pipe, sleeve pipe etc. assembled during installation, and then integral body is docked with mounted orifice tube, connects control oil pipe again.Get final product opposite with above-mentioned steps during dismounting
The hydraulic jack model is determined
Be 50mm according to the drill pipe diameter of determining, drilling rod adapter sleeve diameter is 76mm, and bit diameter is≤100mm.The purpose of stop grouting plug is to embrace drilling rod, blocks slurries and flows out from drilling rod.Thereby in the time of can determining the stop grouting plug sealing state in it circular diameter be exactly the diameter 50mm. of drilling rod and when drill bit need to be by stop grouting plug, the grouting device need to unclamp, until circular diameter is greater than the diameter of drill bit in the stop grouting plug, namely interior circular diameter must be greater than 100mm.Thereby can determine the stroke of hydraulic jack〉(100-50)/2mm; Hydraulic jack is installed to needs the fixed hydraulic oil cylinder on the grouting device, the fixed hydraulic oil cylinder need to design fixed station, thereby must increase oil cylinder stroke, drawing as calculated fixed station, need to increase oil cylinder stroke be 20mm, add and leave certain surplus, determine that the stroke that oil cylinder needs is that the 50mm. oil cylinder working-pressure is determined: stop grouting plug is that to bear pressure be 50Mpa to resin Composite maximum, the maximum pressure that hydraulic system can provide is 25Mpa, the hydraulic jack effect is that piston rod stretches out the extruding stop grouting plug, as long as can hold drilling rod tightly, certain distortion is arranged, seal up slurries and get final product, pressure does not need too large, considers that cost performance determines that at last its maximum pressure is 7Mpa.
During the slip casting of hydraulic jack extruding stop grouting plug, stop grouting plug is not allow to become flexible, and then needs hydraulic jack hydraulic circuit design hydraulic lock.System pressure is 25Mpa, and the oil cylinder maximum pressure only needs 7Mpa pressure, thereby need to design reducing valve with the protection hydraulic jack to hydraulic circuit, guarantees that system pressure stablizes constantly, can obtain post-decompression steady pressure again.Other aspects need to be equipped with the flexible of manual operation reversal valve control hydraulic jack, flow control valve, pressure meter, hydraulic oil pipe.
The automatic grouting job practices of hydraulic drill ring, its step is as follows:
1, the grouting device is installed,
(1) sleeve pipe 4 upper flange plates with the grouting device are connected with orifice tube 6 upper flange plates, and folder one deck high pressure rubber seal washer 5 between two flange, then be fixedly connected with bolt, be used in the mortar depositing construction process, prevent that the slurries between orifice tube 6 and the sleeve pipe 4 from overflowing;
(2) at the inwall brushing lubrication oil of stop grouting plug 2, be used for the inwall of lubricated stop grouting plug;
(3) drilling rod 7 is passed from stop grouting plug 2 and pressure pipe 1, tighten drill bit 8, then pressure pipe 1 is installed on the sleeve pipe 4 by screwed connection, the grid permeable hole is reserved 5～10cm length on the pressure pipe 1, guarantees that deslagging is unimpeded;
The orifice tube 6 that (4) will insert in the injected hole is fixed with the injected hole aperture;
2, in hole flushing, mud jacking, chemical cleaning project, the execution conditions of grouting device,
(1) in boring procedure, when meeting water burst, the single hole water yield is greater than 10m3/h, and by hydraulic jack 3 radial clamping stop grouting plugs 2, the axial advance pressure pipe 1 again, shutoff aperture piping water; (explain: the stop grouting plug radial clamping refers to realize radial compaction by the flexible lengthwise movement of hydraulic jack that the stop grouting plug axial compression refers to make pressure pipe do transverse movement by the rotation pressure pipe and realizes axial compression)
(2) in the mud jacking construction, after solidifying, hold in slurries drilling rod tightly for solving, drilling rod can't withdraw from this problem of injected hole, boring notes Study on Integration group repeatedly studies, inquires into, special from the anti-teeth drill bit of external customized introduction, this drill bit can be holed forward, and the cutting shelves are lived obstruction in the time of also rotating backward, bores problem thereby well solved the stifled drill chuck of slurries.Make the drilling rod can both be free to advance or retreat under boring slip casting any state.
(3) after slip casting finishes, unclamp the slip casting tube head, then axially unclamp pressure pipe 5～10cm, radially unclamp the stop grouting plug 2 that clamps drilling rod, open the flushing cinder system, for next section injected hole creeps into Job readiness; The stop grouting plug radial clamping refers to realize that by the stretching motion of hydraulic jack stop grouting plug radially to the compression of drilling rod, refers to that to the stop grouting plug axial compression by the rotation pressure pipe pressure pipe being rotated realizes the stop grouting plug axial compression.
3, the construction working method of grouting device hydraulic system,
A. preparation, the hydraulic pressure oil of the oil inlet pipe P of system of main system enters into hand-operated direction valve 13 through flow control valve 9: hand-operated direction valve 13 one tunnel and reducing valve 10 UNICOMs, reducing valve 10 another roads and low discharge oil return pipe D UNICOM of system; Hand-operated direction valve 13 another roads and hydraulic lock 120 UNICOMs, hand-operated direction valve 13 oil return lines and system oil return pipe T UNICOM;
B. stop grouting plug 2 compresses drilling rod 7, when hydraulic cylinder piston rod stretches out, hand-operated direction valve 13 pushes away forward, and hydraulic oil enters reducing valve 10, and post-decompression hydraulic oil enters hydraulic lock 12, then enter in the hydraulic jack 3 large chambeies, under the effect of hydraulic pressure, the piston rod of hydraulic jack 3 is stretched, and makes stop grouting plug 2 deformable seals compress drilling rod 7, seal up the slurries of injection, forbid that slurry stream goes out outside the orifice tube; The flow direction of hydraulic oil when being the stop grouting plug compression;
C. use simultaneously pressure pipe 1 by the rotation of handle, axial compression stop grouting plug 2;
D. stop grouting plug unclamps drilling rod, need the piston rod of hydraulic jack 3 to retract, hand-operated direction valve 5 is toward pulling back, the hydraulic circuit commutation, hydraulic oil enters hydraulic lock 12, then enters in hydraulic jack 3 loculuses, and the piston rod of hydraulic jack 3 is return, stop grouting plug 2 unclamps drilling rod 7, allows drilling rod, drill bit, adapter sleeve axially move; It is the flow direction of stop grouting plug hydraulic oil when unclamping;
E. work as slurries and solidify, when the pressure pipe 1 of grouting device can't retreat, can put steel pipe at pressure pipe 1 handle and increase rotation torque, pressure pipe 1 rotation is retreated.
Hydraulic drill ring auto-stopping paste-making method, described hydraulic jack stroke be: greater than the stroke 20mm of (100-50)/2mm and fixed station and the stroke sum of surplus, the stroke that oil cylinder needs is 40-50mm.; The pressure of described hydraulic jack is: maximum pressure is 7Mpa.
Described stop grouting plug hydraulic control system is incorporated B353E hydraulic drill ring DCS18 hydraulic system into, the oil-feed oil circuit of stop grouting plug hydraulic control system is connected into the main supply oil oil circuit in the DCS18 hydraulic system, and the oil return circuit of stop grouting plug hydraulic control system is incorporated the main oil return circuit in the DCS18 hydraulic system into;
When 1, working, stop grouting plug hydraulic control system flow affects the DCS18 hydraulic system
Stop grouting plug hydraulic control system flow during work,
When piston rod stretches out the flow Q of (extruding stop grouting plug) stretch=(A1-A2) V stretches,
The flow Q that (unclamps stop grouting plug) when piston rod is return returns=and A1 * V returns.
According to the overall dimensions D of oil cylinder * L=50 * 80, d=30mm, as can be known:
Without bar oil pocket effective active area A1=3.14 * (5/2) * (5/2)=19.6cm2;
Bar oil pocket effective active area A2=3.14 * (3/2) * (3/2)=7.1cm2. is arranged
Suppose that it is 3.6m/min (0.06m/s) that piston rod is return the speed of unclamping stop grouting plug,
Suppose that it is 0.2---1.2m/min (0.02m/s) that piston rod stretches out the speed of pushing stop grouting plug.
Then: Q stretches=(A1-A2) V stretch=(19.6-7.1) * 0.02 * 60 * 0.1=1.5L/min
Q returns=and A1 * V returns=19.6 * 0.06 * 60 * 0.1=7.06L/min
When 2, working, stop grouting plug hydraulic control system input power affects the DCS18 hydraulic system
Stop grouting plug hydraulic control system when work maximal input is the power of oil cylinder when bearing maximum pressure extruding stop grouting plug;
P=(p squeezes+the p back of the body) * Q stretches
(p the back of the body refer to that the loss of total pressure of hydraulic oil-returning oil circuit, native system are that its back pressure value of general underloading Metering Flow Control Circuits is got 0.5MPa). be P=(p squeeze+p carry on the back A2/A1) Q=(5+0.5 * 7.1/19.6) * 106 * 0.25 * 0.001=1.3KW
3, stop grouting plug hydraulic control system theory structure affects the DCS18 hydraulic system, hydraulic oil shunts out laggard inbound traffics control valve from main system, after reducing traffic flow, enter in the 3-position 4-way operating valve, the Median Function that this 3-position 4-way operating valve is selected is the O type, so hydraulic fluid port is totally-enclosed during this operating valve meta. when system stops on the impact of DCS18 hydraulic system be very I to disregard;
The adjusting of system pressure size changes after the reducing valve pressure regulation, the Main Function of reducing valve is the oil liquid pressure of a certain branch road in the reduction system, make same system that the loop of two or more different pressures can be arranged, so do not affect the pressure of main system. stop grouting plug hydraulic control system pressure also is very little on the impact of DCS18 hydraulic system, can ignore.
Construction technology
1, construction flow chart
Bore and annotate integrated construction technique more complicated, divide different slip casting sections according to country rock geological conditions, plant equipment situation, in construction, need constantly to creep into (or retreating), slip casting, and then creep into (or retreating), again slip casting.Process chart sees for details shown in Figure 4.
2, construction sequence (take the slip casting of segmentation protrusive as example)
When (1) aperture grouting device casing flange dish is connected with the orifice tube flange, folder one deck high pressure rubber packing ring between two flange, guaranteeing does not have slurries to overflow in the mortar depositing construction process between orifice tube and the sleeve pipe, then adopts Ф 10mm plain bolt to connect;
(2) use hexagon socket head cap screw that stop grouting plug and pressure pipe are connected into an integral body, for guaranteeing certain lubricity, be coated with at the inwall of stop grouting plug and brush one times butter, perhaps used oil also can;
(3) drill bit is passed from stop grouting plug and pressure pipe, tighten drill bit, then pressure pipe is installed on the sleeve pipe, it is long that the grid permeable hole is reserved 5～10cm, guarantees that deslagging is unimpeded;
(4) injected hole creeps into, three arm rock drilling jumbo propelling pressures, 40～60bar, and surge 190～210bar is about rotational pressure 50bar;
(5) mix slurrying liquid according to design and country rock transmission coefficient, commonly used have light water mud, superfine cement slurry and C-S biliquid to starch, slurry water gray scale and gel time are most important on boring the impact of notes integrated construction, and suitable grout coordinate ratio data can be determined by test in the scene;
(6) chassis creeps into to set depth, hydraulic pressure is adjusted to maximum, and the push-and-pull drilling rod carries out hole flushing back and forth, if unfavorable geologies such as rock crusher or strong-weathered rock and powder fine sands, can use blast or hydraulic pressure and blast hybrid mode to carry out hole flushing, guarantee effective diffusion of slurries;
(7) after hole flushing finishes, tighten pressure pipe, the slip casting tube head is installed, by water wind liquid conversion equipment, carry out the drilling rod mud jacking through drilling rod.
(8) after slip casting finishes, unclamp the slip casting tube head and clean, guarantee to use next time.Then unclamp pressure pipe 5～10cm, open the flushing cinder system, carry out next section injected hole and creep into work, then repeat above-mentioned process operations;
(9) after this hole slip casting finishes, can carry out again mud jacking according to aperture water outlet situation.Annotate integrated treatment because this aperture bores, the integrality in hole is better, occurs without the hole phenomenon of collapsing, and can carry out the disposable slip casting in full hole or the slip casting of segmentation protrusive is processed again by the aperture, guarantees slip casting effect,
(10) chassis moves arm, carries out other hole constructions.
Construction precautions
(1) bores the working mechanism that the front staff of notes integrated construction can understand aperture grouting device, guarantee skilled operation and maintenance in work progress;
(2) in construction, particularly biliquid slurry construction is except the setting time of accurate calculating slurries at Flows, also to guarantee drilling rod different rotation in construction, prevent that slurries from embracing brill, as run into this type of situation, unclamp rapidly pressure pipe, withdraw from drilling rod, and clear up;
(3) in boring procedure such as water burst, the single hole water yield continues to creep into less than 2m3/h; If the water yield at 2～5m3/h, is then noted the observing water quantity situation of change, and notifies on-the-spot operator on duty, determine whether slip casting; If the water yield at 5～10m3/h, then stops to creep into, withdraw from drilling rod, carry out slip casting; If the water yield greater than 10m3/h, can advance pressure pipe in advance, shutoff aperture piping water, and then decide through consultation treatment measures;
(4) carry out first the slip casting field trial before the slip casting, in practice of construction, in time adjust as the case may be grouting parameter by field trial, to obtain preferably grouting consolidation effect;
(5) system of mixing of slurries meets design and corresponding code requirement;
(6) grouting pipeline connect complete after, close slurry-inlet valve, open the seal that relief valve elder generation setting-out checks grouting pipeline and grouting device, various connections must firmly, prevent from throwing off under the high pressure and hurt sb.'s feelings;
(7) in the slip casting process, as other hole grout leaking occurs, can close this grout leaking hole and continue slip casting, if but occur can unclamp grouting device pressure pipe when frequent, continue to creep into to next section, guarantee that slurries solidify in wall-rock crack, also can carry out shutoff by intermittence slurry injection technique or the method that shortens gel time by adjusting grout coordinate ratio, if but can suspend this hole slip casting when invalid, analyze reason, take other measure;
(8) in the slip casting process, keep grouting pipeline unimpeded, prevent from affecting because of pipeline blockage the judgement of slip casting ending standard, each parts of grouting device, slip casting connector, pipeline should often clean up, in order to reuse next time;
(9) because slurries solidify, when the rotation pressure pipe of grouting device can't retreat, can put steel pipe at the pressure pipe handle and increase rotation torque.
(10) boring, the relevant operating regulation of the skilled grasp of slip casting personnel, forbid in the situation of not shutting down tool, carrying out any repairing, when grouting pump and pipeline inner pressure are not down to zero, must not remove pipeline or unclamp pipe joint, in order to avoid the slurries ejection is hurted sb.'s feelings, forbid to unclamp immediately pressure pipe after the firm slip casting end, rig and grouting pump are responsible for operation by the special messenger, without agreeing that other people must not operate, the slip casting personnel wear safety goggles when tearing pipeline, loose pressure pipe, operation grouting pump open, in case slurries are splashed into eyes;
(11) note Electrical Safety, power supply for construction adopts built on stilts the processing, and earth leakage protective device is installed;
(12) reinforcement constructor's awareness of safety is carried out operation safety training before the hilllock, and the personnel of marching into the arena must take appointment with certificate, and must wear the protective articless such as safety helmet, raincoat, respirator before marching into the arena;
(13) carry out on-the-spot waste discharge and environmental protection work;
(14) face should have sacurity alarm system and communication system, in case dangerous situation appears in other face, starts rapidly emergency mechanism, organizes the Field Force to withdraw;
(15) in time summarize in the work progress, the problem of finding is inquired into and in time improved, guarantee the constantly perfect of aperture grouting device, improve to bore and annotate the integrated construction technical level.
Claims (7)
1. hydraulic drill ring grouting device, it is characterized in that: comprising: pressure pipe (1), stop grouting plug (2), hydraulic jack (3), sleeve pipe (4), seal washer (5) and orifice tube (6), be provided with a pair of stop grouting plug (2) that is positioned at drilling rod (7) both sides in the described sleeve pipe (4), the stop grouting plug of both sides (2) is connected with the piston rod that passes the outer symmetrical hydraulic jack (3) of fixing of sleeve pipe (4) respectively; Described sleeve pipe (4) one ends are provided with the pressure pipe (1) for the axial compression stop grouting plug, pressure pipe (1) and sleeve pipe (4) screwed connection; Sleeve pipe (4) other end is provided with seal washer (5), orifice tube (6), and orifice tube (6), seal washer (5) are fixedly connected with sleeve pipe (4) by bolt.
2. a kind of hydraulic drill ring grouting device according to claim 1, it is characterized in that: described pressure pipe (1) is the rotation pressure pipe, connected and composed by rotation platen (1.1) and some handles (1.2), be provided with the screw thread that is connected with sleeve pipe (4) on the periphery wall of rotation platen (1.1), be evenly equipped with some handles (1.2) on the wall of rotation platen (1.1) periphery without screw thread; Described rotation platen (1.1) center is provided with the bar hole greater than drill pipe diameter, is evenly equipped with the slurries circular hole on the rotation platen (1.1) in one week of bar hole.
3. a kind of hydraulic drill ring grouting device according to claim 1, it is characterized in that: described sleeve pipe (4) is outside equipped with the symmetrical support (4.1) of fixed hydraulic oil cylinder, and sleeve pipe one end is provided with the flanged plate (4.2) with the corresponding connection of orifice tube (6); Sleeve pipe one another end is provided with the screw thread that is connected with pressure pipe (1).
4. a kind of hydraulic drill ring grouting device according to claim 1, it is characterized in that: the stop grouting plug of described both sides (2) is combined into compacting device, is used for sealing up the slurries of injection, forbids that it flows out outside orifice tube; Each stop grouting plug (2) is semicircular structure; The planar central setting of described stop grouting plug (2) to press depression (2.1) diameter identical with drilling rod (7) diameter, the cambered surface of described stop grouting plug (2) is provided with the locking device (2.2) of fixed hydraulic cylinder piston rod.
5. hydraulic drill ring grouting device according to claim 1 is characterized in that: described stop grouting plug (2) is that resin is synthetic, and it is 50Mpa that the material maximum is born pressure.
6. hydraulic drill ring grouting device according to claim 1, it is characterized in that: described orifice tube (6) is connected and composed by body and flanged plate.
7. hydraulic drill ring grouting device according to claim 1, it is characterized in that: the stroke of described hydraulic jack (3) is: the stroke of oil cylinder needs is 40-50mm, i.e. being calculated as of oil cylinder stroke:＞(100-50)/2mm and the stroke 20mm of fixed station and the stroke sum of surplus; The pressure of described hydraulic jack is: maximum pressure is 7Mpa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220272956 CN202673233U (en) | 2012-06-11 | 2012-06-11 | Slurry stopping device for hydraulic rock drilling trolleys |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220272956 CN202673233U (en) | 2012-06-11 | 2012-06-11 | Slurry stopping device for hydraulic rock drilling trolleys |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202673233U true CN202673233U (en) | 2013-01-16 |
Family
ID=47494143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220272956 Withdrawn - After Issue CN202673233U (en) | 2012-06-11 | 2012-06-11 | Slurry stopping device for hydraulic rock drilling trolleys |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202673233U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720461A (en) * | 2012-06-11 | 2012-10-10 | 中铁隧道集团有限公司 | Grout stopping method and grout stopping device for hydraulic drill jumbo |
-
2012
- 2012-06-11 CN CN 201220272956 patent/CN202673233U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720461A (en) * | 2012-06-11 | 2012-10-10 | 中铁隧道集团有限公司 | Grout stopping method and grout stopping device for hydraulic drill jumbo |
| CN102720461B (en) * | 2012-06-11 | 2014-10-29 | 中铁隧道集团有限公司 | Grout stopping method and grout stopping device for hydraulic drill jumbo |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102720461B (en) | Grout stopping method and grout stopping device for hydraulic drill jumbo | |
| CN104594348B (en) | Enlarged footing bellows anchor pole and construction method thereof | |
| CN201172828Y (en) | Well-covering device for dewatering well | |
| CN206256911U (en) | A kind of push bench process Tunnel Engineering tube coupling stopping device | |
| CN103194972B (en) | Construction method for cable-stayed bridge cable guiding pipe with pipe opening extending out of tower wall | |
| CN205918368U (en) | Bore notes an organic whole and retreat formula slip casting drilling rod | |
| CN115788538B (en) | Constant-resistance large-deformation hollow grouting-resin coupling anchoring anchor rod | |
| CN201753606U (en) | Dual-purpose grouting pipe for deep and shallow holes | |
| CN202673233U (en) | Slurry stopping device for hydraulic rock drilling trolleys | |
| CN200992812Y (en) | Hole grout stopping plug for chemical grouting | |
| CN104653199B (en) | A kind of multifunctional information grouting device and relevant grouting method thereof | |
| CN214614083U (en) | Grouting assembly for repairing quality defects of karst geological cast-in-place pile | |
| CN211777468U (en) | Shield constructs quick-witted synchronous slip casting system | |
| CN211342934U (en) | Grouting leakage plugging equipment for tunnel construction | |
| CN205617366U (en) | A section of thick bamboo is protected in combination of pile foundation construction | |
| CN204492746U (en) | A kind of multifunctional information grouting device | |
| CN205101771U (en) | Be used for prosthetic attach fitting of FRP pipe on -line interlude | |
| CN210151883U (en) | Inner lining repairing mechanism for rain sewage pipeline | |
| CN217629927U (en) | Steel pipe grout stopping device with steel and flexible combination | |
| CN102877881B (en) | Supporting device used for hydrofracture hole-sealing capsule | |
| CN105178971B (en) | A kind of new pair of slurries injection device of shield machine | |
| CN210977512U (en) | Tunnel secondary lining anticreep is empty vertically to move back tubular area mould slip casting rotary device | |
| CN113818539A (en) | Inspection well interface device | |
| CN206256918U (en) | A kind of Self-drilling hollow grouting anchoring-bolt adapter sleeve sealing structure | |
| CN214221221U (en) | Slip casting connecting device with non return effect |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130116 Effective date of abandoning: 20141029 |
|
| RGAV | Abandon patent right to avoid regrant |